18322767

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7297}}^1$

素因数の和:7340

約数の個数: 20

約数和(自身を含む): 28257856

約数和(自身を除く): 9935089

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7297, 21891, 65673, 197019, 226207, 591057, 678621, 2035863, 6107589, 18322767]

約数ペア:

[(1, 18322767), (3, 6107589), (9, 2035863), (27, 678621), (31, 591057), (81, 226207), (93, 197019), (279, 65673), (837, 21891), (2511, 7297)]